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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dp 18:130JE2of2 GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 17, 14√2, 20, 15√2, 17√2, 25, 20√2, 30, 34, 25√2, 40, 30√2, 31√2, 34√2, 51, 45√2, 65, 65√2.

Code: 655 0 65 654 65 65 513 130 79 340 79 79 341 113 79 172 130 62 171 130 79 257 0 65 256 0 40 205 25 45 204 45 45 316 99 31 305 25 15 304 55 15 450 85 45 144 99 31 405 0 0 154 40 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

65
65√2
51
34√2
34
17√2
17
25
25√2
20
20√2
31√2
30
30√2
45√2
14√2
40
15√2